From af662e8de6003d1b966ff8a049494488cd60f136 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Thu, 27 Feb 2025 22:04:48 -0500
Subject: rpm, map, and ve inputs

---
 main.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------
 ui.c   | 15 +++++++++--
 ui.h   | 11 ++++++++
 3 files changed, 106 insertions(+), 12 deletions(-)

diff --git a/main.c b/main.c
index 31e2146..7bf62c4 100644
--- a/main.c
+++ b/main.c
@@ -9,6 +9,11 @@
 #include "ui.h"
 
 
+/* Macros. */
+
+#define nelem(arr) (sizeof(arr)/sizeof(arr[0]))
+
+
 /* Constants. */
 
 static const char TITLE[] = "volute";
@@ -16,6 +21,12 @@ enum window {
 	WIN_OPTS = MU_OPT_NOINTERACT | MU_OPT_NOTITLE | MU_OPT_AUTOSIZE | MU_OPT_NOFRAME,
 };
 
+enum layout {
+	LABEL_WIDTH = 50,
+	UNIT_WIDTH = 45,
+	FIELD_WIDTH = 65,
+};
+
 static const mu_Color BLACK = {0, 0, 0, 255};
 static const mu_Color WHITE = {255, 255, 255, 255};
 static const mu_Color LIGHT_GRAY = {222, 222, 222, 255};
@@ -43,6 +54,10 @@ static void set_style(mu_Context *ctx);
 static void main_loop(mu_Context *ctx, UI *ui);
 static void process_frame(mu_Context *ctx, UI *ui);
 static void main_window(mu_Context *ctx, UI *ui);
+static void displacement_row(mu_Context *ctx, UI *ui);
+static void rpm_row(mu_Context *ctx, UI *ui);
+static void map_row(mu_Context *ctx, UI *ui);
+static void ve_row(mu_Context *ctx, UI *ui);
 
 
 /* Function Definitions. */
@@ -101,29 +116,86 @@ process_frame(mu_Context *ctx, UI *ui) {
 static void
 main_window(mu_Context *ctx, UI *ui) {
 	int w, h;
+
 	r_get_window_size(&w, &h);
 	if (!mu_begin_window_ex(ctx, TITLE, mu_rect(0, 0, w, h), WIN_OPTS)) {
 		exit(EXIT_FAILURE);
 	}
 
-	/* TODO */
+	displacement_row(ctx, ui);
 
+	mu_layout_row(ctx, 0, NULL, 0);
+	mu_label(ctx, "");
 
-	mu_layout_row(ctx, 3, (int[]) {128, 30, 20}, 0);
+	rpm_row(ctx, ui);
+	map_row(ctx, ui);
+	ve_row(ctx, ui);
 
-	static double value = 0.0;
+	mu_end_window(ctx);
+}
+
+static void
+displacement_row(mu_Context *ctx, UI *ui) {
+	int widths[] = {
+		LABEL_WIDTH+UNIT_WIDTH+ctx->style->spacing,
+		FIELD_WIDTH,
+		UNIT_WIDTH
+	};
+	mu_layout_row(ctx, nelem(widths), widths, 0);
+	mu_label(ctx, "Displacement:");
 	if (w_field(ctx, &ui->displacement) & MU_RES_CHANGE) {
 		/* TODO */
-		value = ui->displacement.value;
 	}
+	w_select(ctx, &ui->displacement_unit);
+}
 
-	if (w_select(ctx, &ui->displacement_unit) & MU_RES_CHANGE) {
-		/* TODO */
+static void
+rpm_row(mu_Context *ctx, UI *ui) {
+	int i;
+
+	mu_layout_row(ctx, 0, NULL, 0);
+	mu_layout_width(ctx, LABEL_WIDTH);
+	mu_label(ctx, "rpm:");
+	mu_layout_width(ctx, UNIT_WIDTH);
+	mu_label(ctx, "");
+	mu_layout_width(ctx, FIELD_WIDTH);
+	for (i = 0; i < ui->npoints; i++) {
+		if (w_field(ctx, &ui->rpm[i])) {
+			/* TODO */
+		}
 	}
+}
 
-	mu_layout_begin_column(ctx);
-	mu_button(ctx, "foo bar");
-	mu_layout_end_column(ctx);
+static void
+map_row(mu_Context *ctx, UI *ui) {
+	int i;
+
+	mu_layout_row(ctx, 0, NULL, 0);
+	mu_layout_width(ctx, LABEL_WIDTH);
+	mu_label(ctx, "map:");
+	mu_layout_width(ctx, UNIT_WIDTH);
+	w_select(ctx, &ui->map_unit);
+	mu_layout_width(ctx, FIELD_WIDTH);
+	for (i = 0; i <ui->npoints; i++) {
+		if (w_field(ctx, &ui->map[i])) {
+			/* TODO */
+		}
+	}
+}
 
-	mu_end_window(ctx);
+static void
+ve_row(mu_Context *ctx, UI *ui) {
+	int i;
+
+	mu_layout_row(ctx, 0, NULL, 0);
+	mu_layout_width(ctx, LABEL_WIDTH);
+	mu_label(ctx, "ve:");
+	mu_layout_width(ctx, UNIT_WIDTH);
+	mu_label(ctx, "(%)");
+	mu_layout_width(ctx, FIELD_WIDTH);
+	for (i = 0; i < ui->npoints; i++) {
+		if (w_field(ctx, &ui->ve[i])) {
+			/* TODO */
+		}
+	}
 }
diff --git a/ui.c b/ui.c
index 65ce084..3585230 100644
--- a/ui.c
+++ b/ui.c
@@ -6,10 +6,21 @@
 #define nelem(arr) (sizeof(arr)/sizeof(arr[0]))
 
 
+static const char *const displacement_units[] = {"cc", "l", "ci"};
+static const char *const map_units[] = {"mbar", "kPa", "bar", "psi"};
+
+
 void
 init_ui(UI *ui) {
 	w_init_field(&ui->displacement);
-
-	static const char *const displacement_units[] = {"cc", "l", "ci"};
 	w_init_select(&ui->displacement_unit, nelem(displacement_units), displacement_units);
+
+	w_init_field(&ui->rpm[0]);
+
+	w_init_field(&ui->map[0]);
+	w_init_select(&ui->map_unit, nelem(map_units), map_units);
+
+	w_init_field(&ui->ve[0]);
+
+	ui->npoints = 1;
 }
diff --git a/ui.h b/ui.h
index c8388c4..232ef54 100644
--- a/ui.h
+++ b/ui.h
@@ -1,6 +1,17 @@
+enum { MAX_POINTS = 16 };
+
 typedef struct {
 	w_Field displacement;
 	w_Select displacement_unit;
+
+	w_Field rpm[MAX_POINTS];
+
+	w_Field map[MAX_POINTS];
+	w_Select map_unit;
+
+	w_Field ve[MAX_POINTS];
+
+	int npoints;
 } UI;
 
 void init_ui(UI *ui);
-- 
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